Capture the first indication
Record CPU LEDs, engineering diagnostics, PROFIsafe status and project signature before cycling power. This distinguishes a safety communication fault from a changed application.
ABB · AC500-S functional safety
ABB SM560-S-FD-1 1SAP286000R0001 / SM560-S-FD-4 1SAP286100R0001 Safety CPUs
SIL 3safety integrity
1 / 4PROFIsafe networks
1.3 MBsafety program
01
Product Profile
ABB SM560-S-FD-1 1SAP286000R0001 / SM560-S-FD-4 1SAP286100R0001 are AC500-S safety CPUs for fail-safe control tasks. Both variants execute the safety application and exchange PROFIsafe data with the surrounding AC500 station, while the exact article determines how many separate PROFIsafe network paths can be organized.
The principal selection boundary in ABB SM560-S-FD-1 1SAP286000R0001 / SM560-S-FD-4 1SAP286100R0001 is network scope: SM560-S-FD-1 supports one PROFIsafe network and SM560-S-FD-4 supports up to four. That difference affects the safety communication architecture, device assignment and validation record, not merely the number printed on the module.
During startup, ABB SM560-S-FD-1 1SAP286000R0001 / SM560-S-FD-4 1SAP286100R0001 performs internal checks before the safety application is accepted for operation. The CPU article, project signature, firmware, assigned safety devices and proof-test results must remain linked so a later change can be evaluated against the validated configuration.
02
Performance Specifications
| Technical item | SM560-S-FD-1 1SAP286000R0001 | SM560-S-FD-4 1SAP286100R0001 |
|---|---|---|
| Brand | ABB | |
| Product name | AC500-S safety CPU | |
| Country | Switzerland | |
| Safety integrity | Up to SIL 3 | |
| PROFIsafe networks | 1 | Up to 4 |
| Safety program memory | 1.3 MB | |
| User data memory | 1 MB; 120 kB saved | |
| Binary instruction time | 0.05 µs | |
| Word instruction time | 0.06 µs | |
| Floating-point instruction time | 0.50 µs | |
| Supply | 24 V DC through the AC500 base | |
| Module width | 28 mm | |
| Module height | 135 mm | |
03
Safety and Compliance
ABB SM560-S-FD-1 1SAP286000R0001 / SM560-S-FD-4 1SAP286100R0001 must be engineered as safety components inside a validated AC500-S application. The safety function depends on the complete project, assigned devices and verification process, not on the CPU alone. The safety case depends on traceable configuration evidence and controlled change, not merely on the presence of a safety-marked module in the rack.
01
Define the safety function
Document the hazardous event, safe state, initiating devices and final elements before allocating logic. This gives the application on ABB SM560-S-FD-1 1SAP286000R0001 / SM560-S-FD-4 1SAP286100R0001 a testable purpose.
02
Assign PROFIsafe scope
Choose the FD-1 or FD-4 execution from the number of independent PROFIsafe networks actually required, then keep every safety device assigned to the validated network.
03
Control changes
Treat firmware, project logic, device replacement and network reassignment as controlled changes. Update signatures and validation evidence before the revised ABB SM560-S-FD-1 1SAP286000R0001 / SM560-S-FD-4 1SAP286100R0001 configuration returns to service.
04
Diagnostics and Protection
ABB SM560-S-FD-1 1SAP286000R0001 / SM560-S-FD-4 1SAP286100R0001 uses startup and runtime diagnostics to detect internal and communication faults. The diagnostic workflow should preserve the first fault evidence before resets or project changes are attempted. A useful diagnostic sequence preserves the order of events and distinguishes a field-circuit condition from a module, configuration or communication problem before parts are exchanged.
Check the safety path
Trace each affected input, logic condition and final element through the project. Do not clear the fault on ABB SM560-S-FD-1 1SAP286000R0001 / SM560-S-FD-4 1SAP286100R0001 until the external safe-state behavior is understood.
Revalidate after correction
After wiring, device or project work, repeat the relevant functional tests and record the result against the exact FD-1 or FD-4 article.
05
Technical Questions
Q01How do I choose between ABB SM560-S-FD-1 1SAP286000R0001 / SM560-S-FD-4 1SAP286100R0001?
Count the independent PROFIsafe network paths required by the validated design: FD-1 provides one and FD-4 provides up to four. The choice within ABB SM560-S-FD-1 1SAP286000R0001 / SM560-S-FD-4 1SAP286100R0001 must follow the safety architecture, not a general preference for more capacity.
Q02Can ABB SM560-S-FD-1 1SAP286000R0001 / SM560-S-FD-4 1SAP286100R0001 be exchanged without changing the safety validation?
Do not assume so. Confirm the exact article, firmware, project signature, network allocation and device assignments, then perform the validation steps affected by the exchange of ABB SM560-S-FD-1 1SAP286000R0001 / SM560-S-FD-4 1SAP286100R0001.
Q03What should be recorded when ABB SM560-S-FD-1 1SAP286000R0001 / SM560-S-FD-4 1SAP286100R0001 reports a safety communication fault?
Capture the first diagnostic code, affected PROFIsafe device, network path, project signature and external safe-state response before resetting ABB SM560-S-FD-1 1SAP286000R0001 / SM560-S-FD-4 1SAP286100R0001.
Q04Why can ABB SM560-S-FD-1 1SAP286000R0001 / SM560-S-FD-4 1SAP286100R0001 remain in a fault state after wiring has been corrected?
The project may still contain a device assignment, address, signature or acknowledgement condition that does not match the corrected hardware. Review the complete safety path for ABB SM560-S-FD-1 1SAP286000R0001 / SM560-S-FD-4 1SAP286100R0001.
Q05How should a firmware or project change on ABB SM560-S-FD-1 1SAP286000R0001 / SM560-S-FD-4 1SAP286100R0001 be handled?
Use the site's controlled safety-change procedure, update the project evidence and repeat the affected functional tests. Keep the new signature and result with ABB SM560-S-FD-1 1SAP286000R0001 / SM560-S-FD-4 1SAP286100R0001.
Q06What information is required for an enquiry about ABB SM560-S-FD-1 1SAP286000R0001 / SM560-S-FD-4 1SAP286100R0001?
Provide the exact FD-1 or FD-4 article, firmware, project version, number of PROFIsafe networks, diagnostic message and replacement context so the request for ABB SM560-S-FD-1 1SAP286000R0001 / SM560-S-FD-4 1SAP286100R0001 is not reduced to the SM560 family name.
06
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